My Father brought this back from Korea, he was in the infantry there and I understood it to be a war trophy. I have had 3 people look at it but none of the times could we get the handle off to see the makers marking. Now I have and need help to ID the sword and its value. It is said to be WW2 sword, tassel still in tact and scabbard in good shape, nothing touched so all still as he brought it back. Please help me to identify these markings and tell me more about this sword. Thank you, I really need help here.